./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5cffec752d7227a7c562d34741b774370eecd95bc2cbcd3f61eafcd9579c5c4e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 03:58:24,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 03:58:24,928 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-06 03:58:24,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 03:58:24,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 03:58:24,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 03:58:24,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 03:58:24,949 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 03:58:24,950 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 03:58:24,950 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 03:58:24,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 03:58:24,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 03:58:24,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 03:58:24,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 03:58:24,950 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 03:58:24,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 03:58:24,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 03:58:24,951 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 03:58:24,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 03:58:24,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 03:58:24,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 03:58:24,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 03:58:24,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 03:58:24,951 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 03:58:24,951 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 03:58:24,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 03:58:24,951 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 03:58:24,951 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 03:58:24,952 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 03:58:24,952 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 03:58:24,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 03:58:24,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 03:58:24,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 03:58:24,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 03:58:24,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 03:58:24,952 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 03:58:24,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 03:58:24,952 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 03:58:24,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 03:58:24,953 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 03:58:24,953 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 03:58:24,953 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 03:58:24,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 03:58:24,953 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cffec752d7227a7c562d34741b774370eecd95bc2cbcd3f61eafcd9579c5c4e [2025-02-06 03:58:25,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 03:58:25,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 03:58:25,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 03:58:25,312 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 03:58:25,312 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 03:58:25,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i [2025-02-06 03:58:26,416 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e1e868a52/b9831b92e8614c3b8ebc8a51b49744c5/FLAGe85ef90f5 [2025-02-06 03:58:26,722 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 03:58:26,722 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i [2025-02-06 03:58:26,730 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e1e868a52/b9831b92e8614c3b8ebc8a51b49744c5/FLAGe85ef90f5 [2025-02-06 03:58:26,742 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e1e868a52/b9831b92e8614c3b8ebc8a51b49744c5 [2025-02-06 03:58:26,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 03:58:26,747 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 03:58:26,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 03:58:26,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 03:58:26,751 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 03:58:26,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:58:26" (1/1) ... [2025-02-06 03:58:26,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528c7523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:26, skipping insertion in model container [2025-02-06 03:58:26,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:58:26" (1/1) ... [2025-02-06 03:58:26,769 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 03:58:26,874 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i[916,929] [2025-02-06 03:58:26,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 03:58:26,928 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 03:58:26,935 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i[916,929] [2025-02-06 03:58:26,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 03:58:26,987 INFO L204 MainTranslator]: Completed translation [2025-02-06 03:58:26,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:26 WrapperNode [2025-02-06 03:58:26,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 03:58:26,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 03:58:26,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 03:58:26,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 03:58:26,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:26" (1/1) ... [2025-02-06 03:58:27,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:26" (1/1) ... [2025-02-06 03:58:27,041 INFO L138 Inliner]: procedures = 30, calls = 164, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 553 [2025-02-06 03:58:27,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 03:58:27,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 03:58:27,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 03:58:27,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 03:58:27,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:26" (1/1) ... [2025-02-06 03:58:27,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:26" (1/1) ... [2025-02-06 03:58:27,056 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:26" (1/1) ... [2025-02-06 03:58:27,067 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-02-06 03:58:27,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:26" (1/1) ... [2025-02-06 03:58:27,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:26" (1/1) ... [2025-02-06 03:58:27,087 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:26" (1/1) ... [2025-02-06 03:58:27,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:26" (1/1) ... [2025-02-06 03:58:27,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:26" (1/1) ... [2025-02-06 03:58:27,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:26" (1/1) ... [2025-02-06 03:58:27,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 03:58:27,095 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 03:58:27,096 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 03:58:27,096 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 03:58:27,096 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:26" (1/1) ... [2025-02-06 03:58:27,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 03:58:27,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 03:58:27,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 03:58:27,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 03:58:27,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 03:58:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-02-06 03:58:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2025-02-06 03:58:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 03:58:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-02-06 03:58:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-02-06 03:58:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 03:58:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 03:58:27,150 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 03:58:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 03:58:27,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 03:58:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 03:58:27,240 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 03:58:27,242 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 03:58:27,617 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L106: havoc property_#t~mem104#1;havoc property_#t~mem105#1;havoc property_#t~ite118#1;havoc property_#t~mem106#1;havoc property_#t~mem107#1;havoc property_#t~ite110#1;havoc property_#t~mem108#1;havoc property_#t~mem109#1;havoc property_#t~mem111#1;havoc property_#t~ite116#1;havoc property_#t~mem113#1;havoc property_#t~mem112#1;havoc property_#t~mem115#1;havoc property_#t~mem114#1;havoc property_#t~mem117#1;havoc property_#t~mem126#1;havoc property_#t~mem119#1;havoc property_#t~mem120#1;havoc property_#t~mem121#1;havoc property_#t~ite125#1;havoc property_#t~mem122#1;havoc property_#t~mem123#1;havoc property_#t~mem124#1;havoc property_#t~ite130#1;havoc property_#t~mem127#1;havoc property_#t~mem129#1;havoc property_#t~mem128#1;havoc property_#t~short131#1;havoc property_#t~mem132#1;havoc property_#t~mem133#1;havoc property_#t~ite156#1;havoc property_#t~mem137#1;havoc property_#t~mem134#1;havoc property_#t~mem135#1;havoc property_#t~short136#1;havoc property_#t~mem138#1;havoc property_#t~mem139#1;havoc property_#t~mem140#1;havoc property_#t~mem141#1;havoc property_#t~ite144#1;havoc property_#t~mem142#1;havoc property_#t~mem143#1;havoc property_#t~mem145#1;havoc property_#t~ite152#1;havoc property_#t~mem146#1;havoc property_#t~mem147#1;havoc property_#t~ite150#1;havoc property_#t~mem148#1;havoc property_#t~mem149#1;havoc property_#t~mem151#1;havoc property_#t~ite155#1;havoc property_#t~mem154#1;havoc property_#t~mem153#1;havoc property_#t~short157#1; [2025-02-06 03:58:27,674 INFO L? ?]: Removed 146 outVars from TransFormulas that were not future-live. [2025-02-06 03:58:27,674 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 03:58:27,691 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 03:58:27,691 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 03:58:27,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:58:27 BoogieIcfgContainer [2025-02-06 03:58:27,692 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 03:58:27,697 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 03:58:27,697 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 03:58:27,700 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 03:58:27,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 03:58:26" (1/3) ... [2025-02-06 03:58:27,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce77e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:58:27, skipping insertion in model container [2025-02-06 03:58:27,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:26" (2/3) ... [2025-02-06 03:58:27,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce77e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:58:27, skipping insertion in model container [2025-02-06 03:58:27,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:58:27" (3/3) ... [2025-02-06 03:58:27,706 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-93.i [2025-02-06 03:58:27,733 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 03:58:27,737 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-93.i that has 2 procedures, 118 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 03:58:27,813 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 03:58:27,828 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@494c7c08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 03:58:27,828 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 03:58:27,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 101 states have (on average 1.4554455445544554) internal successors, (147), 102 states have internal predecessors, (147), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 03:58:27,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-02-06 03:58:27,850 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 03:58:27,850 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 03:58:27,851 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 03:58:27,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 03:58:27,858 INFO L85 PathProgramCache]: Analyzing trace with hash -2016014805, now seen corresponding path program 1 times [2025-02-06 03:58:27,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 03:58:27,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869717025] [2025-02-06 03:58:27,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 03:58:27,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 03:58:28,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-02-06 03:58:28,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-02-06 03:58:28,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:58:28,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 03:58:28,235 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2025-02-06 03:58:28,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 03:58:28,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869717025] [2025-02-06 03:58:28,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869717025] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 03:58:28,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102239423] [2025-02-06 03:58:28,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 03:58:28,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 03:58:28,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 03:58:28,242 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 03:58:28,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 03:58:28,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-02-06 03:58:28,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-02-06 03:58:28,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:58:28,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 03:58:28,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 03:58:28,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 03:58:28,417 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2025-02-06 03:58:28,417 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 03:58:28,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102239423] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 03:58:28,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 03:58:28,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 03:58:28,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258973504] [2025-02-06 03:58:28,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 03:58:28,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 03:58:28,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 03:58:28,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 03:58:28,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 03:58:28,436 INFO L87 Difference]: Start difference. First operand has 118 states, 101 states have (on average 1.4554455445544554) internal successors, (147), 102 states have internal predecessors, (147), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-06 03:58:28,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 03:58:28,453 INFO L93 Difference]: Finished difference Result 230 states and 359 transitions. [2025-02-06 03:58:28,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 03:58:28,454 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2025-02-06 03:58:28,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 03:58:28,458 INFO L225 Difference]: With dead ends: 230 [2025-02-06 03:58:28,458 INFO L226 Difference]: Without dead ends: 115 [2025-02-06 03:58:28,460 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 03:58:28,461 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 03:58:28,462 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 03:58:28,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-02-06 03:58:28,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2025-02-06 03:58:28,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 99 states have (on average 1.4343434343434343) internal successors, (142), 99 states have internal predecessors, (142), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 03:58:28,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 170 transitions. [2025-02-06 03:58:28,485 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 170 transitions. Word has length 126 [2025-02-06 03:58:28,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 03:58:28,486 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 170 transitions. [2025-02-06 03:58:28,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-06 03:58:28,486 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 170 transitions. [2025-02-06 03:58:28,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-02-06 03:58:28,488 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 03:58:28,488 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 03:58:28,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 03:58:28,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 03:58:28,691 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 03:58:28,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 03:58:28,691 INFO L85 PathProgramCache]: Analyzing trace with hash 486251633, now seen corresponding path program 1 times [2025-02-06 03:58:28,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 03:58:28,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068355562] [2025-02-06 03:58:28,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 03:58:28,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 03:58:28,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-02-06 03:58:28,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-02-06 03:58:28,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:58:28,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 03:58:28,869 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 03:58:28,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-02-06 03:58:28,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-02-06 03:58:28,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:58:28,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 03:58:28,945 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 03:58:28,945 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 03:58:28,946 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 03:58:28,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 03:58:28,949 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 03:58:28,989 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 03:58:28,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 03:58:28 BoogieIcfgContainer [2025-02-06 03:58:28,995 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 03:58:28,995 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 03:58:28,995 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 03:58:28,995 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 03:58:28,996 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:58:27" (3/4) ... [2025-02-06 03:58:28,997 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 03:58:28,997 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 03:58:29,002 INFO L158 Benchmark]: Toolchain (without parser) took 2255.18ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 81.4MB in the end (delta: 25.2MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2025-02-06 03:58:29,002 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 201.3MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 03:58:29,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.83ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 90.7MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 03:58:29,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.93ms. Allocated memory is still 142.6MB. Free memory was 90.7MB in the beginning and 86.9MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 03:58:29,002 INFO L158 Benchmark]: Boogie Preprocessor took 49.83ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 84.2MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 03:58:29,003 INFO L158 Benchmark]: IcfgBuilder took 596.18ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 51.6MB in the end (delta: 32.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 03:58:29,003 INFO L158 Benchmark]: TraceAbstraction took 1298.11ms. Allocated memory is still 142.6MB. Free memory was 51.6MB in the beginning and 82.3MB in the end (delta: -30.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 03:58:29,003 INFO L158 Benchmark]: Witness Printer took 2.32ms. Allocated memory is still 142.6MB. Free memory was 81.5MB in the beginning and 81.4MB in the end (delta: 32.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 03:58:29,004 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 201.3MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.83ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 90.7MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.93ms. Allocated memory is still 142.6MB. Free memory was 90.7MB in the beginning and 86.9MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.83ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 84.2MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 596.18ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 51.6MB in the end (delta: 32.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1298.11ms. Allocated memory is still 142.6MB. Free memory was 51.6MB in the beginning and 82.3MB in the end (delta: -30.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.32ms. Allocated memory is still 142.6MB. Free memory was 81.5MB in the beginning and 81.4MB in the end (delta: 32.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 64, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 106, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someUnaryDOUBLEoperation at line 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 64, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 64, overapproximation of someBinaryDOUBLEComparisonOperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 80. Possible FailurePath: [L36] unsigned char isInitial = 0; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 255.3, -0.9, 128.5, 9.186, 31.75, 9.6, 499.2, 1.5, 0, 1, 0, 1 }; [L51] float last_1_WrapperStruct00_var_1_10 = 1.5; VAL [WrapperStruct00={4:0}, isInitial=0, last_1_WrapperStruct00_var_1_10=3/2] [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L103] EXPR WrapperStruct00.var_1_10 [L103] last_1_WrapperStruct00_var_1_10 = WrapperStruct00.var_1_10 [L113] RET updateLastVariables() [L114] CALL updateVariables() [L78] WrapperStruct00.var_1_3 = __VERIFIER_nondet_double() [L79] EXPR WrapperStruct00.var_1_3 [L79] EXPR WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F [L79] EXPR WrapperStruct00.var_1_3 [L79] EXPR WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L79] EXPR (WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L79] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L79] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L80] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L80] CALL assume_abort_if_not(WrapperStruct00.var_1_3 != 0.0F) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L80] RET assume_abort_if_not(WrapperStruct00.var_1_3 != 0.0F) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L81] WrapperStruct00.var_1_5 = __VERIFIER_nondet_double() [L82] EXPR WrapperStruct00.var_1_5 [L82] EXPR WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F [L82] EXPR WrapperStruct00.var_1_5 [L82] EXPR WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L82] EXPR (WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L82] CALL assume_abort_if_not((WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L82] RET assume_abort_if_not((WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L83] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L83] CALL assume_abort_if_not(WrapperStruct00.var_1_5 != 0.0F) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L83] RET assume_abort_if_not(WrapperStruct00.var_1_5 != 0.0F) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L84] WrapperStruct00.var_1_6 = __VERIFIER_nondet_double() [L85] EXPR WrapperStruct00.var_1_6 [L85] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F [L85] EXPR WrapperStruct00.var_1_6 [L85] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L85] EXPR (WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L85] CALL assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L85] RET assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L86] WrapperStruct00.var_1_7 = __VERIFIER_nondet_double() [L87] EXPR WrapperStruct00.var_1_7 [L87] EXPR WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F [L87] EXPR WrapperStruct00.var_1_7 [L87] EXPR WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L87] EXPR (WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L87] CALL assume_abort_if_not((WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L87] RET assume_abort_if_not((WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L88] WrapperStruct00.var_1_8 = __VERIFIER_nondet_double() [L89] EXPR WrapperStruct00.var_1_8 [L89] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F [L89] EXPR WrapperStruct00.var_1_8 [L89] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L89] EXPR (WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L89] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L89] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L90] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L91] EXPR WrapperStruct00.var_1_9 [L91] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L91] EXPR WrapperStruct00.var_1_9 [L91] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L91] EXPR (WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L91] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L91] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L92] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L93] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L94] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L95] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L96] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L97] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L98] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L99] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L100] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L114] RET updateVariables() [L115] CALL step() [L55] EXPR WrapperStruct00.var_1_3 [L55] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L55] COND FALSE !(((- last_1_WrapperStruct00_var_1_10) / WrapperStruct00.var_1_3) != (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5)) [L62] WrapperStruct00.var_1_1 = 64.51f VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L64] EXPR WrapperStruct00.var_1_1 [L64] EXPR WrapperStruct00.var_1_9 [L64] EXPR WrapperStruct00.var_1_5 [L64] EXPR WrapperStruct00.var_1_1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L64] EXPR (((WrapperStruct00.var_1_9 * 128.4)) > ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))) ? ((WrapperStruct00.var_1_9 * 128.4)) : ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1)) [L64] EXPR WrapperStruct00.var_1_9 [L64] EXPR (((WrapperStruct00.var_1_9 * 128.4)) > ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))) ? ((WrapperStruct00.var_1_9 * 128.4)) : ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L64] COND TRUE WrapperStruct00.var_1_1 > (((((WrapperStruct00.var_1_9 * 128.4)) > ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))) ? ((WrapperStruct00.var_1_9 * 128.4)) : ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1)))) [L65] WrapperStruct00.var_1_10 = 1.00000000000004E13f VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L69] EXPR WrapperStruct00.var_1_3 [L69] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L69] COND TRUE ! (WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_10) [L70] EXPR WrapperStruct00.var_1_12 [L70] EXPR WrapperStruct00.var_1_12 && WrapperStruct00.var_1_13 [L70] EXPR WrapperStruct00.var_1_13 [L70] EXPR WrapperStruct00.var_1_12 && WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L70] WrapperStruct00.var_1_11 = (WrapperStruct00.var_1_12 && WrapperStruct00.var_1_13) [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR WrapperStruct00.var_1_3 [L106] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L106] EXPR (((- last_1_WrapperStruct00_var_1_10) / WrapperStruct00.var_1_3) != (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5)) ? ((last_1_WrapperStruct00_var_1_10 != (((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))) - WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((float) 64.51f)) [L106] EXPR WrapperStruct00.var_1_1 [L106] EXPR (((- last_1_WrapperStruct00_var_1_10) / WrapperStruct00.var_1_3) != (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5)) ? ((last_1_WrapperStruct00_var_1_10 != (((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))) - WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((float) 64.51f)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L106] EXPR ((((- last_1_WrapperStruct00_var_1_10) / WrapperStruct00.var_1_3) != (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5)) ? ((last_1_WrapperStruct00_var_1_10 != (((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))) - WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((float) 64.51f))) && ((WrapperStruct00.var_1_1 > (((((WrapperStruct00.var_1_9 * 128.4)) > ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))) ? ((WrapperStruct00.var_1_9 * 128.4)) : ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))))) ? (WrapperStruct00.var_1_10 == ((float) 1.00000000000004E13f)) : (WrapperStruct00.var_1_10 == ((float) WrapperStruct00.var_1_9))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L106] EXPR (((((- last_1_WrapperStruct00_var_1_10) / WrapperStruct00.var_1_3) != (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5)) ? ((last_1_WrapperStruct00_var_1_10 != (((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))) - WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((float) 64.51f))) && ((WrapperStruct00.var_1_1 > (((((WrapperStruct00.var_1_9 * 128.4)) > ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))) ? ((WrapperStruct00.var_1_9 * 128.4)) : ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))))) ? (WrapperStruct00.var_1_10 == ((float) 1.00000000000004E13f)) : (WrapperStruct00.var_1_10 == ((float) WrapperStruct00.var_1_9)))) && ((! (WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_12 && WrapperStruct00.var_1_13))) : (((WrapperStruct00.var_1_7 / WrapperStruct00.var_1_3) < ((((((((WrapperStruct00.var_1_8) > (WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_6)))) < (WrapperStruct00.var_1_5)) ? (((((WrapperStruct00.var_1_8) > (WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_6)))) : (WrapperStruct00.var_1_5)))) ? (WrapperStruct00.var_1_11 == ((unsigned char) WrapperStruct00.var_1_14)) : 1)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L106-L107] return (((((- last_1_WrapperStruct00_var_1_10) / WrapperStruct00.var_1_3) != (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5)) ? ((last_1_WrapperStruct00_var_1_10 != (((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))) - WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((float) 64.51f))) && ((WrapperStruct00.var_1_1 > (((((WrapperStruct00.var_1_9 * 128.4)) > ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))) ? ((WrapperStruct00.var_1_9 * 128.4)) : ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))))) ? (WrapperStruct00.var_1_10 == ((float) 1.00000000000004E13f)) : (WrapperStruct00.var_1_10 == ((float) WrapperStruct00.var_1_9)))) && ((! (WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_12 && WrapperStruct00.var_1_13))) : (((WrapperStruct00.var_1_7 / WrapperStruct00.var_1_3) < ((((((((WrapperStruct00.var_1_8) > (WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_6)))) < (WrapperStruct00.var_1_5)) ? (((((WrapperStruct00.var_1_8) > (WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_6)))) : (WrapperStruct00.var_1_5)))) ? (WrapperStruct00.var_1_11 == ((unsigned char) WrapperStruct00.var_1_14)) : 1)) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 118 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 170 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 170 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 250 SizeOfPredicates, 0 NumberOfNonLiveVariables, 448 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 702/728 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-06 03:58:29,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5cffec752d7227a7c562d34741b774370eecd95bc2cbcd3f61eafcd9579c5c4e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 03:58:30,979 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 03:58:31,058 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-06 03:58:31,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 03:58:31,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 03:58:31,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 03:58:31,091 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 03:58:31,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 03:58:31,092 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 03:58:31,092 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 03:58:31,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 03:58:31,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 03:58:31,093 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 03:58:31,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 03:58:31,093 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 03:58:31,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 03:58:31,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 03:58:31,094 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 03:58:31,094 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 03:58:31,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 03:58:31,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 03:58:31,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 03:58:31,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 03:58:31,094 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 03:58:31,094 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 03:58:31,094 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 03:58:31,094 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 03:58:31,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 03:58:31,095 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 03:58:31,095 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 03:58:31,095 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 03:58:31,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 03:58:31,095 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 03:58:31,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 03:58:31,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 03:58:31,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 03:58:31,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 03:58:31,096 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 03:58:31,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 03:58:31,096 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 03:58:31,096 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 03:58:31,096 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 03:58:31,096 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 03:58:31,096 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 03:58:31,096 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 03:58:31,096 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cffec752d7227a7c562d34741b774370eecd95bc2cbcd3f61eafcd9579c5c4e [2025-02-06 03:58:31,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 03:58:31,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 03:58:31,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 03:58:31,371 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 03:58:31,371 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 03:58:31,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i [2025-02-06 03:58:32,623 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/32e5dc421/b36e81c56a164bdc8e0f1a59cd5ec198/FLAG9e48b6e5e [2025-02-06 03:58:32,798 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 03:58:32,798 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i [2025-02-06 03:58:32,805 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/32e5dc421/b36e81c56a164bdc8e0f1a59cd5ec198/FLAG9e48b6e5e [2025-02-06 03:58:32,822 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/32e5dc421/b36e81c56a164bdc8e0f1a59cd5ec198 [2025-02-06 03:58:32,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 03:58:32,825 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 03:58:32,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 03:58:32,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 03:58:32,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 03:58:32,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:58:32" (1/1) ... [2025-02-06 03:58:32,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35013522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:32, skipping insertion in model container [2025-02-06 03:58:32,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:58:32" (1/1) ... [2025-02-06 03:58:32,845 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 03:58:32,949 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i[916,929] [2025-02-06 03:58:32,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 03:58:33,011 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 03:58:33,019 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i[916,929] [2025-02-06 03:58:33,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 03:58:33,086 INFO L204 MainTranslator]: Completed translation [2025-02-06 03:58:33,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:33 WrapperNode [2025-02-06 03:58:33,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 03:58:33,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 03:58:33,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 03:58:33,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 03:58:33,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:33" (1/1) ... [2025-02-06 03:58:33,107 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:33" (1/1) ... [2025-02-06 03:58:33,150 INFO L138 Inliner]: procedures = 34, calls = 164, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 552 [2025-02-06 03:58:33,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 03:58:33,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 03:58:33,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 03:58:33,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 03:58:33,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:33" (1/1) ... [2025-02-06 03:58:33,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:33" (1/1) ... [2025-02-06 03:58:33,165 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:33" (1/1) ... [2025-02-06 03:58:33,188 INFO L175 MemorySlicer]: Split 139 memory accesses to 2 slices as follows [2, 137]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 29 writes are split as follows [0, 29]. [2025-02-06 03:58:33,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:33" (1/1) ... [2025-02-06 03:58:33,192 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:33" (1/1) ... [2025-02-06 03:58:33,213 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:33" (1/1) ... [2025-02-06 03:58:33,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:33" (1/1) ... [2025-02-06 03:58:33,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:33" (1/1) ... [2025-02-06 03:58:33,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:33" (1/1) ... [2025-02-06 03:58:33,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 03:58:33,232 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 03:58:33,232 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 03:58:33,232 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 03:58:33,233 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:33" (1/1) ... [2025-02-06 03:58:33,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 03:58:33,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 03:58:33,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 03:58:33,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 03:58:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 03:58:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-02-06 03:58:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-02-06 03:58:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2025-02-06 03:58:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2025-02-06 03:58:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-02-06 03:58:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-02-06 03:58:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-02-06 03:58:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-02-06 03:58:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 03:58:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-06 03:58:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-06 03:58:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-06 03:58:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-06 03:58:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-06 03:58:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2025-02-06 03:58:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2025-02-06 03:58:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 03:58:33,279 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 03:58:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2025-02-06 03:58:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2025-02-06 03:58:33,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 03:58:33,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 03:58:33,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2025-02-06 03:58:33,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2025-02-06 03:58:33,392 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 03:58:33,394 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 03:59:29,377 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L106: havoc property_#t~mem104#1;havoc property_#t~mem105#1;havoc property_#t~ite118#1;havoc property_#t~mem106#1;havoc property_#t~mem107#1;havoc property_#t~ite110#1;havoc property_#t~mem108#1;havoc property_#t~mem109#1;havoc property_#t~mem111#1;havoc property_#t~ite116#1;havoc property_#t~mem113#1;havoc property_#t~mem112#1;havoc property_#t~mem115#1;havoc property_#t~mem114#1;havoc property_#t~mem117#1;havoc property_#t~mem126#1;havoc property_#t~mem119#1;havoc property_#t~mem120#1;havoc property_#t~mem121#1;havoc property_#t~ite125#1;havoc property_#t~mem122#1;havoc property_#t~mem123#1;havoc property_#t~mem124#1;havoc property_#t~ite130#1;havoc property_#t~mem127#1;havoc property_#t~mem129#1;havoc property_#t~mem128#1;havoc property_#t~short131#1;havoc property_#t~mem132#1;havoc property_#t~mem133#1;havoc property_#t~ite156#1;havoc property_#t~mem137#1;havoc property_#t~mem134#1;havoc property_#t~mem135#1;havoc property_#t~short136#1;havoc property_#t~mem138#1;havoc property_#t~mem139#1;havoc property_#t~mem140#1;havoc property_#t~mem141#1;havoc property_#t~ite144#1;havoc property_#t~mem142#1;havoc property_#t~mem143#1;havoc property_#t~mem145#1;havoc property_#t~ite152#1;havoc property_#t~mem146#1;havoc property_#t~mem147#1;havoc property_#t~ite150#1;havoc property_#t~mem148#1;havoc property_#t~mem149#1;havoc property_#t~mem151#1;havoc property_#t~ite155#1;havoc property_#t~mem154#1;havoc property_#t~mem153#1;havoc property_#t~short157#1; [2025-02-06 03:59:29,398 INFO L? ?]: Removed 162 outVars from TransFormulas that were not future-live. [2025-02-06 03:59:29,399 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 03:59:29,405 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 03:59:29,405 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 03:59:29,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:59:29 BoogieIcfgContainer [2025-02-06 03:59:29,405 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 03:59:29,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 03:59:29,407 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 03:59:29,410 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 03:59:29,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 03:58:32" (1/3) ... [2025-02-06 03:59:29,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee50985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:59:29, skipping insertion in model container [2025-02-06 03:59:29,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:33" (2/3) ... [2025-02-06 03:59:29,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee50985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:59:29, skipping insertion in model container [2025-02-06 03:59:29,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:59:29" (3/3) ... [2025-02-06 03:59:29,411 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-93.i [2025-02-06 03:59:29,420 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 03:59:29,421 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-93.i that has 2 procedures, 118 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 03:59:29,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 03:59:29,477 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2d5323fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 03:59:29,477 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 03:59:29,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 101 states have (on average 1.4554455445544554) internal successors, (147), 102 states have internal predecessors, (147), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 03:59:29,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-02-06 03:59:29,490 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 03:59:29,490 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 03:59:29,490 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 03:59:29,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 03:59:29,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1260275353, now seen corresponding path program 1 times [2025-02-06 03:59:29,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 03:59:29,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2037756986] [2025-02-06 03:59:29,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 03:59:29,502 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-06 03:59:29,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 03:59:29,507 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-06 03:59:29,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-02-06 03:59:29,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-02-06 03:59:32,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-02-06 03:59:32,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:59:32,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 03:59:32,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 03:59:32,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 03:59:32,461 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2025-02-06 03:59:32,461 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 03:59:32,461 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 03:59:32,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2037756986] [2025-02-06 03:59:32,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2037756986] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 03:59:32,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 03:59:32,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 03:59:32,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085915349] [2025-02-06 03:59:32,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 03:59:32,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 03:59:32,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 03:59:32,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 03:59:32,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 03:59:32,482 INFO L87 Difference]: Start difference. First operand has 118 states, 101 states have (on average 1.4554455445544554) internal successors, (147), 102 states have internal predecessors, (147), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-06 03:59:32,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 03:59:32,501 INFO L93 Difference]: Finished difference Result 230 states and 359 transitions. [2025-02-06 03:59:32,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 03:59:32,503 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2025-02-06 03:59:32,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 03:59:32,507 INFO L225 Difference]: With dead ends: 230 [2025-02-06 03:59:32,507 INFO L226 Difference]: Without dead ends: 115 [2025-02-06 03:59:32,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 03:59:32,511 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 03:59:32,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 03:59:32,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-02-06 03:59:32,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2025-02-06 03:59:32,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 99 states have (on average 1.4343434343434343) internal successors, (142), 99 states have internal predecessors, (142), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 03:59:32,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 170 transitions. [2025-02-06 03:59:32,537 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 170 transitions. Word has length 126 [2025-02-06 03:59:32,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 03:59:32,537 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 170 transitions. [2025-02-06 03:59:32,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-06 03:59:32,538 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 170 transitions. [2025-02-06 03:59:32,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-02-06 03:59:32,540 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 03:59:32,540 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 03:59:32,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-02-06 03:59:32,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-06 03:59:32,741 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 03:59:32,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 03:59:32,742 INFO L85 PathProgramCache]: Analyzing trace with hash -532425505, now seen corresponding path program 1 times [2025-02-06 03:59:32,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 03:59:32,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036095369] [2025-02-06 03:59:32,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 03:59:32,743 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-06 03:59:32,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 03:59:32,745 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-06 03:59:32,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-02-06 03:59:32,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-02-06 03:59:35,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-02-06 03:59:35,686 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:59:35,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 03:59:35,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 03:59:35,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 03:59:38,763 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-06 03:59:38,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2025-02-06 03:59:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2025-02-06 03:59:39,423 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 03:59:39,423 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 03:59:39,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036095369] [2025-02-06 03:59:39,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1036095369] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 03:59:39,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 03:59:39,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 03:59:39,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680613833] [2025-02-06 03:59:39,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 03:59:39,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 03:59:39,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 03:59:39,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 03:59:39,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 03:59:39,425 INFO L87 Difference]: Start difference. First operand 115 states and 170 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-02-06 03:59:40,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 03:59:51,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 03:59:55,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 03:59:59,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 04:00:03,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 04:00:08,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.94s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 04:00:12,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []